When Gertrude Eliza Phelps was born on 18 July 1867, in Berlin Township, Ionia, Michigan, United States, her father, Byron Clark Phelps, was 25 and her mother, Betsey Louisa Green, was 25. She married Marshall Delmar Morrill on 3 March 1886, in Hocking, Ohio, United States. They were the parents of at least 3 daughters. She lived in Georgetown Township, Ottawa, Michigan, United States in 1910 and Cannon Township, Kent, Michigan, United States in 1930. She died on 22 November 1947, in Grand Rapids, Kent, Michigan, United States, at the age of 80, and was buried in Rest Lawn Cemetery, Grand Rapids, Kent, Michigan, United States.